Question: Can you suggest a fitness tracker that measures physical and mental strain and offers recovery insights?

If you're looking for a fitness tracker that tracks physical and mental strain, offers recovery insights and gives you advice on how to improve, WHOOP is a top contender. This wearable device tracks biometric data points that are scientifically relevant, including sleep, strain, recovery, stress, heart rate, blood oxygen and skin temperature. It then translates that data into daily routines, training and recovery advice, so you can set goals and track your progress with real-time feedback.

Another contender is Zepp Health. Zepp Health's smart wearable system tracks health data 24/7 with AI chips, biometric sensors and sophisticated algorithms. It offers detailed sleep tracking, 24-hour blood-oxygen saturation tracking and wrist-based blood pressure tracking. The system is designed to help people with chronic conditions, track fitness goals and maintain overall health with personalized advice and tools.

If you want an all-in-one wellness platform, Welltory links to more than 1,200 supported apps and devices to give you a more complete look at stress, energy, sleep and blood pressure. With AI technology, Welltory offers daily health advice based on your needs, so you can make more informed lifestyle choices. It's designed to help people improve their overall well-being, with a focus on scientific research and partnerships with universities and companies.

And lastly, ONVY offers personalized health and performance optimization through its platform that links to more than 320 wearables. It offers insights to optimize recovery, sleep, activity and mental fitness. With features like load management, sleep performance tracking and mindfulness tools, ONVY helps you find the right balance between physical and mental strain for peak performance.